At least daily I am put on a Spamhaus XBL or CSS or PBL list. After 1/ changing passwords at my email provider, 2/ using Norton and 3/ Malwarebytes antirootkit without result, I like to try Wireshark in order to find the cause of this blacklisting. I first installed Wireshark and started to capture. (My W10 PC using Thunderbird is connected to a mobile network using tethering over WIFI and my smartphone). I used Thunderbird to send a testmail. I dont see any SMTP protocol traffic after using "SMTP" as filter in Wireshark. The used port is 465 and filter "tcp.port==465" shows there was communication. I want to find the application (if there is one) which uses my PC (or phone) to send spam which causes me to be blacklisted. (TLSv1.2 is used). Someone can help me?
how to use Wireshark to find the cause of being put on a blacklist for outgoing mail
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